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Finding the Fourth Proportional to 482,955.30, 725,124.15 and 273,003.30

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Solution

The fourth proportional to 482,955.30, 725,124.15 and 273,003.30 is: 409,895.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,955.30 : 725,124.15 = 273,003.30 : x
  2. Step 2: Convert to fraction form
    482,955.30/725,124.15 = 273,003.30/x
  3. Step 3: Cross multiply
    482,955.30x = 725,124.15 × 273,003.30
  4. Step 4: Simplify right side
    482,955.30x = 197,961,285,859.70
  5. Step 5: Solve for x
    x = 197,961,285,859.70/482,955.30
  6. Step 6: Final answer
    x = 409,895.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.